Upload files to "src"

src/README.md

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+# NeetCode Offline Course Videos
+
+This unpacked Chrome extension inserts a local MP4 player for the **DSA for Beginners** course and hides NeetCode's Vimeo player while it is active. It only affects `https://neetcode.io/courses/dsa-for-beginners/` and leaves the course text, progress controls, and embedded YouTube clips alone.
+
+## Install
+
+1. Keep `manifest.json`, `content.js`, and `NeetCode Cache` together in this folder. The video paths are relative to `manifest.json`.
+2. In Chrome, open `chrome://extensions` and turn on **Developer mode**.
+3. Choose **Load unpacked** and select this folder:
+   `C:\Users\Aditya.9.Gupta\NCCache`
+4. Confirm that Chrome shows version **1.0.10** on the extension card, then open or refresh a DSA for Beginners lesson. A blue **Loading cached lesson** label followed by a green **Playing cached lesson** label confirms the local player is in use.
+
+If you click Chrome's **Reload** button for the extension after changing its files, also refresh the NeetCode tab. Chrome invalidates content scripts that were already running in that tab.
+
+## Notes
+
+- The cache contains 35 MP4s (about 1.66 GB); Chrome reads them in place. Do not select the `NeetCode Cache` folder by itself when loading the extension.
+- NeetCode's original Vimeo player stays hidden. All MP4s are explicitly declared as web-accessible extension resources, so Chrome can stream them directly from the local cache. If a cache file is missing or cannot play, the local player shows a red error label instead.
+- Use this only with course material you are authorized to access and retain.

src/manifest.json

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+{
+  "manifest_version": 3,
+  "name": "NCCache",
+  "version": "1.0.11",
+  "description": "Cache your courses. iykyk ;)",
+  "content_scripts": [
+    {
+      "matches": ["https://neetcode.io/courses/dsa-for-beginners/*"],
+      "js": ["content.js"],
+      "run_at": "document_idle"
+    }
+  ],
+  "host_permissions": [
+    "https://s3.adityagupta.dev/*"
+  ]
+}